Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
From:   Sasha Levin <sashal@kernel.org>
To:     linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc:     Deepak Sharma <deepak.sharma@amd.com>,
        Daniel Vetter <daniel.vetter@ffwll.ch>,
        Emil Velikov <emil.velikov@collabora.com>,
        Sasha Levin <sashal@kernel.org>,
        dri-devel@lists.freedesktop.org
Subject: [PATCH AUTOSEL 4.19 003/258] drm/vgem: Fix vgem_init to get drm device available.
Date:   Mon, 28 Jan 2019 10:55:09 -0500
Message-Id: <20190128155924.51521-3-sashal@kernel.org>
In-Reply-To: <20190128155924.51521-1-sashal@kernel.org>
References: <20190128155924.51521-1-sashal@kernel.org>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

From: Deepak Sharma <deepak.sharma@amd.com>

[ Upstream commit d5c04dff24870ef07ce6453a3f4e1ffd9cf88d27 ]

Modify vgem_init to take platform dev as parent in drm_dev_init.
This will make drm device available at "/sys/devices/platform/vgem"
in x86 chromebook.

v2: rebase, address checkpatch typo and line over 80 characters

Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Deepak Sharma <deepak.sharma@amd.com>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20181023163550.15211-1-emil.l.velikov@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/vgem/vgem_drv.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/vgem/vgem_drv.c b/drivers/gpu/drm/vgem/vgem_drv.c
index 0e5620f76ee0..6887db878b38 100644
--- a/drivers/gpu/drm/vgem/vgem_drv.c
+++ b/drivers/gpu/drm/vgem/vgem_drv.c
@@ -471,31 +471,31 @@ static int __init vgem_init(void)
 	if (!vgem_device)
 		return -ENOMEM;
 
-	ret = drm_dev_init(&vgem_device->drm, &vgem_driver, NULL);
-	if (ret)
-		goto out_free;
-
 	vgem_device->platform =
 		platform_device_register_simple("vgem", -1, NULL, 0);
 	if (IS_ERR(vgem_device->platform)) {
 		ret = PTR_ERR(vgem_device->platform);
-		goto out_fini;
+		goto out_free;
 	}
 
 	dma_coerce_mask_and_coherent(&vgem_device->platform->dev,
 				     DMA_BIT_MASK(64));
+	ret = drm_dev_init(&vgem_device->drm, &vgem_driver,
+			   &vgem_device->platform->dev);
+	if (ret)
+		goto out_unregister;
 
 	/* Final step: expose the device/driver to userspace */
 	ret  = drm_dev_register(&vgem_device->drm, 0);
 	if (ret)
-		goto out_unregister;
+		goto out_fini;
 
 	return 0;
 
-out_unregister:
-	platform_device_unregister(vgem_device->platform);
 out_fini:
 	drm_dev_fini(&vgem_device->drm);
+out_unregister:
+	platform_device_unregister(vgem_device->platform);
 out_free:
 	kfree(vgem_device);
 	return ret;
-- 
2.19.1